Euler's identity; Euler's equation
time flies like an arrow; time and tide wait for no man; life is short
without intermission for ten (long) years; with constancy of purpose for ten (long) years; in the same old rut for years on end
growth; breeding; growing up (in, as); upbringing
high window; clerestory window
those interested in participating; persons wishing to participate
class meeting; classroom assembly
all members; everybody; regular member
golden eyes (of a cat, etc.); splendid alfonsino (Beryx splendens)
round robin; having no losing tickets (of a lottery); brute force (in cryptography); using all combinations
to strain every nerve; to feel nervous
unfair practices; wrongdoing; malpractice; cheating; foul play
examination (exam) questions; questions for an examination
strongest (candidate); likeliest (winner); top (suspect)
what date?; what's the date?; when?
head; brains; intelligence
contact network; phone tree; contact information for relevant people (in a given organization)
suspension (from work or school)
running out of battery; battery depletion; going flat; loss of energy; depletion of stamina
wooden building blocks; wooden bricks; playing with building blocks; piled timber; piling up wood
I (alphabet letter); i; I; iodine (symbol)
unable to read the situation; unable to pick up on the mood of a conversation
modern; current; contemporary; trendy; latest; up-to-date
one house; the same house
situation; outlook; one's allegiance; affiliation; position
to hand over; to turn over; to cede
excess flesh; surplus fat; flab
fruition; fructification; bearing fruit; bearing fruit (of efforts, plans, etc.); coming to fruition; yielding success
if anything; conversely; putting it the other way around; coming at it from the opposite angle
unsettled; pending; unresolved